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ludmilkaskok [199]
3 years ago
5

Which information is not necessary to solve this problem? Twenty children came to play Saturday basketball. Each team requires 5

players and each game lasts 30 minutes. How many teams could be formed using the children who came? A. Twenty children came to play. B. Each game lasts 30 minutes. C. Each team requires 5 players.
Mathematics
1 answer:
Shtirlitz [24]3 years ago
3 0
B. Each game lasts 30 minutes 

all you care about is how many teams you can form

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A box contains 20 red balls, 25 white balls, and 55 blue balls. Suppose that 10 balls are selected at random one at a time with
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Answer:

0.164 = 16.4% probability that at least one color will be missing from the 10 selected balls.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

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Each time, there are 55 + 25 = 80 non-red balls, out of 100. So, in each of the 10 trials, 80% = 0.8 probability of not picking a red ball. The probability that no red ball is picked is given by:

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